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231324410020 = 2251110491002359
BaseRepresentation
bin1101011101110000000…
…0100110000010100100
3211010002101200120212111
43113130000212002210
512242223022110040
6254134032530404
722466302020364
oct3273400460244
9733071616774
10231324410020
118a116665070
12389ba0b0a04
1318a76bb7a32
14b2a63a29a4
15603d4b0dea
hex35dc0260a4

231324410020 has 48 divisors (see below), whose sum is σ = 530448912000. Its totient is φ = 84037694720.

The previous prime is 231324410011. The next prime is 231324410041. The reversal of 231324410020 is 20014423132.

It is a super-2 number, since 2×2313244100202 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 231324409973 and 231324410000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270400 + ... + 731959.

It is an arithmetic number, because the mean of its divisors is an integer number (11051019000).

Almost surely, 2231324410020 is an apocalyptic number.

231324410020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231324410020 is an abundant number, since it is smaller than the sum of its proper divisors (299124501980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231324410020 is a wasteful number, since it uses less digits than its factorization.

231324410020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003428 (or 1003426 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 231324410020 its reverse (20014423132), we get a palindrome (251338833152).

The spelling of 231324410020 in words is "two hundred thirty-one billion, three hundred twenty-four million, four hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1049 2098 4196 5245 10490 11539 20980 23078 46156 57695 115390 230780 1002359 2004718 4009436 5011795 10023590 11025949 20047180 22051898 44103796 55129745 110259490 220518980 1051474591 2102949182 4205898364 5257372955 10514745910 11566220501 21029491820 23132441002 46264882004 57831102505 115662205010 231324410020